cleanup headers and especially #includes everywhere

Beside being a bit cleaner it hopefully also resolves oddball problems
I have with high levels of parallel jobs.

Git-Dch: Ignore
Reported-By: iwyu (include-what-you-use)

1 files changed, 10 insertions, 2 deletions

diff --git a/apt-pkg/sourcelist.h b/apt-pkg/sourcelist.h
index 0ccb4aa00..af7569375 100644
--- a/apt-pkg/sourcelist.h
+++ b/apt-pkg/sourcelist.h
@@ -27,18 +27,26 @@
 #ifndef PKGLIB_SOURCELIST_H
 #define PKGLIB_SOURCELIST_H
 
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <time.h>
+
 #include <string>
 #include <vector>
 #include <map>
-#include <apt-pkg/pkgcache.h>
-#include <apt-pkg/tagfile.h>
 
 #ifndef APT_8_CLEANER_HEADERS
+#include <apt-pkg/tagfile.h>
+#endif
+#ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/metaindex.h>
 using std::string;
 using std::vector;
 #endif
 
+class FileFd;
+class pkgTagSection;
 class pkgAcquire;
 class pkgIndexFile;
 class metaIndex;